Posted 1/1/2014 13:34 (#3563836 - in reply to #3563209) Subject: Re: What size ground wire on a 50 amp 230V four wire circuit?
There was a time period when a reduced ground was code in romex, but its not code today. I had to investigate a shock death at a mobile home with that reduced ground size.
The time it takes a short to trip a breaker can still leave the case of the load at high enough voltage to be lethal.